recurse_path

 var d3tree = Convert(tree, 0, []);
                var lineage = [];

                function Convert(obj_to_convert, level, lineage) {
                    var new_obj = [];
                    delete obj_to_convert['null'];

                    console.log('level', level);
                    level++;

                    for (var i in obj_to_convert) {
                        lineage.push(_.findWhere(scope.persona.ids, {id_uuid: i}).id_name);
                        new_obj.push({
                            name: lineage.join(','),
                            size: (6 - level) * 500,
                            children: Convert(obj_to_convert[i], level, lineage)
                        });
                    }
                    lineage = [];

                    level--;
                    return (new_obj.length > 0) ? new_obj : null;
                };

                var root = {
                    "name": "Parent 1", "size": 1000,
                    "children": d3tree
                }
                $log.debug('d3tree', root);
                renderBubbles(root);